Katy Perry has made her first appearance in the UK since marrying Russell Brand.

The I Kissed A Girl singer has been in Selfriges to launch her new perfume, Purr.

The 25-year-old looked stunning in a short purple dress as she posed for photographers and greeted fans.

Speaking at the launch, Katy said:

"I'm really happy to present Purr here in London first. Next week in New York City. It'll be fantastic. And I'm so happy it's in Selfridges... it has a very classy air around it.

"Thank you for coming out. I'm really excited to be able to meet some of you guys (and) sign your bottles, your whiskers, paws... whatever you need to be signed."